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A251819 as a triangular array

345
500500
738538738
12157717711215
19731511175415111973
334935015401540135013349
6066904018227229221822790406066
1166524411624579664996649624572441111665
2344266516213857409196

A251819 as a square array

34550073812151973334960661166523442
5005387711511350190402441166516
738771175454011822762457213857
1215151154012292296649409196
197335011822796649
3349904062457
606624411
11665

A251819 as an upper right triangle

34550073812151973334960661166523442
5005387711511350190402441166516
738771175454011822762457213857
1215151154012292296649409196
197335011822796649
3349904062457
606624411
11665

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)